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wxWidgets/include/wx/intl.h
Václav Slavík ba9d03fa13 1) use ngettext instead of _N, 2) cleanup of gettext macros definitions 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24168 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-10-13 21:27:02 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/intl.h
// Purpose: Internationalization and localisation for wxWindows
// Author: Vadim Zeitlin
// Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
// (2003/09/30 - plural forms support)
// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_INTL_H_
#define _WX_INTL_H_
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "intl.h"
#endif
#include "wx/defs.h"
#include "wx/string.h"
#if wxUSE_INTL
#include "wx/fontenc.h"
// ============================================================================
// global decls
// ============================================================================
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// gettext() style macros (notice that xgettext should be invoked with
// --keyword="_" --keyword="ngettext:1,2" options
// to extract the strings from the sources)
#ifndef WXINTL_NO_GETTEXT_MACRO
#define _(s) wxGetTranslation(_T(s))
#define ngettext(s1, s2, n) wxGetTranslation(_T(s1), _T(s2), n)
#endif
// another one which just marks the strings for extraction, but doesn't
// perform the translation (use -kwxTRANSLATE with xgettext!)
#define wxTRANSLATE(str) _T(str)
// ----------------------------------------------------------------------------
// forward decls
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxLocale;
class WXDLLIMPEXP_BASE wxMsgCatalog;
class WXDLLIMPEXP_BASE wxLanguageInfoArray;
// ============================================================================
// locale support
// ============================================================================
// ----------------------------------------------------------------------------
// wxLanguage: defines all supported languages
// ----------------------------------------------------------------------------
// --- --- --- generated code begins here --- --- ---
// This enum is generated by misc/languages/genlang.py
// When making changes, please put them into misc/languages/langtabl.txt
enum wxLanguage
{
// user's default/preffered language as got from OS:
wxLANGUAGE_DEFAULT,
// unknown language, if wxLocale::GetSystemLanguage fails:
wxLANGUAGE_UNKNOWN,
wxLANGUAGE_ABKHAZIAN,
wxLANGUAGE_AFAR,
wxLANGUAGE_AFRIKAANS,
wxLANGUAGE_ALBANIAN,
wxLANGUAGE_AMHARIC,
wxLANGUAGE_ARABIC,
wxLANGUAGE_ARABIC_ALGERIA,
wxLANGUAGE_ARABIC_BAHRAIN,
wxLANGUAGE_ARABIC_EGYPT,
wxLANGUAGE_ARABIC_IRAQ,
wxLANGUAGE_ARABIC_JORDAN,
wxLANGUAGE_ARABIC_KUWAIT,
wxLANGUAGE_ARABIC_LEBANON,
wxLANGUAGE_ARABIC_LIBYA,
wxLANGUAGE_ARABIC_MOROCCO,
wxLANGUAGE_ARABIC_OMAN,
wxLANGUAGE_ARABIC_QATAR,
wxLANGUAGE_ARABIC_SAUDI_ARABIA,
wxLANGUAGE_ARABIC_SUDAN,
wxLANGUAGE_ARABIC_SYRIA,
wxLANGUAGE_ARABIC_TUNISIA,
wxLANGUAGE_ARABIC_UAE,
wxLANGUAGE_ARABIC_YEMEN,
wxLANGUAGE_ARMENIAN,
wxLANGUAGE_ASSAMESE,
wxLANGUAGE_AYMARA,
wxLANGUAGE_AZERI,
wxLANGUAGE_AZERI_CYRILLIC,
wxLANGUAGE_AZERI_LATIN,
wxLANGUAGE_BASHKIR,
wxLANGUAGE_BASQUE,
wxLANGUAGE_BELARUSIAN,
wxLANGUAGE_BENGALI,
wxLANGUAGE_BHUTANI,
wxLANGUAGE_BIHARI,
wxLANGUAGE_BISLAMA,
wxLANGUAGE_BRETON,
wxLANGUAGE_BULGARIAN,
wxLANGUAGE_BURMESE,
wxLANGUAGE_CAMBODIAN,
wxLANGUAGE_CATALAN,
wxLANGUAGE_CHINESE,
wxLANGUAGE_CHINESE_SIMPLIFIED,
wxLANGUAGE_CHINESE_TRADITIONAL,
wxLANGUAGE_CHINESE_HONGKONG,
wxLANGUAGE_CHINESE_MACAU,
wxLANGUAGE_CHINESE_SINGAPORE,
wxLANGUAGE_CHINESE_TAIWAN,
wxLANGUAGE_CORSICAN,
wxLANGUAGE_CROATIAN,
wxLANGUAGE_CZECH,
wxLANGUAGE_DANISH,
wxLANGUAGE_DUTCH,
wxLANGUAGE_DUTCH_BELGIAN,
wxLANGUAGE_ENGLISH,
wxLANGUAGE_ENGLISH_UK,
wxLANGUAGE_ENGLISH_US,
wxLANGUAGE_ENGLISH_AUSTRALIA,
wxLANGUAGE_ENGLISH_BELIZE,
wxLANGUAGE_ENGLISH_BOTSWANA,
wxLANGUAGE_ENGLISH_CANADA,
wxLANGUAGE_ENGLISH_CARIBBEAN,
wxLANGUAGE_ENGLISH_DENMARK,
wxLANGUAGE_ENGLISH_EIRE,
wxLANGUAGE_ENGLISH_JAMAICA,
wxLANGUAGE_ENGLISH_NEW_ZEALAND,
wxLANGUAGE_ENGLISH_PHILIPPINES,
wxLANGUAGE_ENGLISH_SOUTH_AFRICA,
wxLANGUAGE_ENGLISH_TRINIDAD,
wxLANGUAGE_ENGLISH_ZIMBABWE,
wxLANGUAGE_ESPERANTO,
wxLANGUAGE_ESTONIAN,
wxLANGUAGE_FAEROESE,
wxLANGUAGE_FARSI,
wxLANGUAGE_FIJI,
wxLANGUAGE_FINNISH,
wxLANGUAGE_FRENCH,
wxLANGUAGE_FRENCH_BELGIAN,
wxLANGUAGE_FRENCH_CANADIAN,
wxLANGUAGE_FRENCH_LUXEMBOURG,
wxLANGUAGE_FRENCH_MONACO,
wxLANGUAGE_FRENCH_SWISS,
wxLANGUAGE_FRISIAN,
wxLANGUAGE_GALICIAN,
wxLANGUAGE_GEORGIAN,
wxLANGUAGE_GERMAN,
wxLANGUAGE_GERMAN_AUSTRIAN,
wxLANGUAGE_GERMAN_BELGIUM,
wxLANGUAGE_GERMAN_LIECHTENSTEIN,
wxLANGUAGE_GERMAN_LUXEMBOURG,
wxLANGUAGE_GERMAN_SWISS,
wxLANGUAGE_GREEK,
wxLANGUAGE_GREENLANDIC,
wxLANGUAGE_GUARANI,
wxLANGUAGE_GUJARATI,
wxLANGUAGE_HAUSA,
wxLANGUAGE_HEBREW,
wxLANGUAGE_HINDI,
wxLANGUAGE_HUNGARIAN,
wxLANGUAGE_ICELANDIC,
wxLANGUAGE_INDONESIAN,
wxLANGUAGE_INTERLINGUA,
wxLANGUAGE_INTERLINGUE,
wxLANGUAGE_INUKTITUT,
wxLANGUAGE_INUPIAK,
wxLANGUAGE_IRISH,
wxLANGUAGE_ITALIAN,
wxLANGUAGE_ITALIAN_SWISS,
wxLANGUAGE_JAPANESE,
wxLANGUAGE_JAVANESE,
wxLANGUAGE_KANNADA,
wxLANGUAGE_KASHMIRI,
wxLANGUAGE_KASHMIRI_INDIA,
wxLANGUAGE_KAZAKH,
wxLANGUAGE_KERNEWEK,
wxLANGUAGE_KINYARWANDA,
wxLANGUAGE_KIRGHIZ,
wxLANGUAGE_KIRUNDI,
wxLANGUAGE_KONKANI,
wxLANGUAGE_KOREAN,
wxLANGUAGE_KURDISH,
wxLANGUAGE_LAOTHIAN,
wxLANGUAGE_LATIN,
wxLANGUAGE_LATVIAN,
wxLANGUAGE_LINGALA,
wxLANGUAGE_LITHUANIAN,
wxLANGUAGE_MACEDONIAN,
wxLANGUAGE_MALAGASY,
wxLANGUAGE_MALAY,
wxLANGUAGE_MALAYALAM,
wxLANGUAGE_MALAY_BRUNEI_DARUSSALAM,
wxLANGUAGE_MALAY_MALAYSIA,
wxLANGUAGE_MALTESE,
wxLANGUAGE_MANIPURI,
wxLANGUAGE_MAORI,
wxLANGUAGE_MARATHI,
wxLANGUAGE_MOLDAVIAN,
wxLANGUAGE_MONGOLIAN,
wxLANGUAGE_NAURU,
wxLANGUAGE_NEPALI,
wxLANGUAGE_NEPALI_INDIA,
wxLANGUAGE_NORWEGIAN_BOKMAL,
wxLANGUAGE_NORWEGIAN_NYNORSK,
wxLANGUAGE_OCCITAN,
wxLANGUAGE_ORIYA,
wxLANGUAGE_OROMO,
wxLANGUAGE_PASHTO,
wxLANGUAGE_POLISH,
wxLANGUAGE_PORTUGUESE,
wxLANGUAGE_PORTUGUESE_BRAZILIAN,
wxLANGUAGE_PUNJABI,
wxLANGUAGE_QUECHUA,
wxLANGUAGE_RHAETO_ROMANCE,
wxLANGUAGE_ROMANIAN,
wxLANGUAGE_RUSSIAN,
wxLANGUAGE_RUSSIAN_UKRAINE,
wxLANGUAGE_SAMOAN,
wxLANGUAGE_SANGHO,
wxLANGUAGE_SANSKRIT,
wxLANGUAGE_SCOTS_GAELIC,
wxLANGUAGE_SERBIAN,
wxLANGUAGE_SERBIAN_CYRILLIC,
wxLANGUAGE_SERBIAN_LATIN,
wxLANGUAGE_SERBO_CROATIAN,
wxLANGUAGE_SESOTHO,
wxLANGUAGE_SETSWANA,
wxLANGUAGE_SHONA,
wxLANGUAGE_SINDHI,
wxLANGUAGE_SINHALESE,
wxLANGUAGE_SISWATI,
wxLANGUAGE_SLOVAK,
wxLANGUAGE_SLOVENIAN,
wxLANGUAGE_SOMALI,
wxLANGUAGE_SPANISH,
wxLANGUAGE_SPANISH_ARGENTINA,
wxLANGUAGE_SPANISH_BOLIVIA,
wxLANGUAGE_SPANISH_CHILE,
wxLANGUAGE_SPANISH_COLOMBIA,
wxLANGUAGE_SPANISH_COSTA_RICA,
wxLANGUAGE_SPANISH_DOMINICAN_REPUBLIC,
wxLANGUAGE_SPANISH_ECUADOR,
wxLANGUAGE_SPANISH_EL_SALVADOR,
wxLANGUAGE_SPANISH_GUATEMALA,
wxLANGUAGE_SPANISH_HONDURAS,
wxLANGUAGE_SPANISH_MEXICAN,
wxLANGUAGE_SPANISH_MODERN,
wxLANGUAGE_SPANISH_NICARAGUA,
wxLANGUAGE_SPANISH_PANAMA,
wxLANGUAGE_SPANISH_PARAGUAY,
wxLANGUAGE_SPANISH_PERU,
wxLANGUAGE_SPANISH_PUERTO_RICO,
wxLANGUAGE_SPANISH_URUGUAY,
wxLANGUAGE_SPANISH_US,
wxLANGUAGE_SPANISH_VENEZUELA,
wxLANGUAGE_SUNDANESE,
wxLANGUAGE_SWAHILI,
wxLANGUAGE_SWEDISH,
wxLANGUAGE_SWEDISH_FINLAND,
wxLANGUAGE_TAGALOG,
wxLANGUAGE_TAJIK,
wxLANGUAGE_TAMIL,
wxLANGUAGE_TATAR,
wxLANGUAGE_TELUGU,
wxLANGUAGE_THAI,
wxLANGUAGE_TIBETAN,
wxLANGUAGE_TIGRINYA,
wxLANGUAGE_TONGA,
wxLANGUAGE_TSONGA,
wxLANGUAGE_TURKISH,
wxLANGUAGE_TURKMEN,
wxLANGUAGE_TWI,
wxLANGUAGE_UIGHUR,
wxLANGUAGE_UKRAINIAN,
wxLANGUAGE_URDU,
wxLANGUAGE_URDU_INDIA,
wxLANGUAGE_URDU_PAKISTAN,
wxLANGUAGE_UZBEK,
wxLANGUAGE_UZBEK_CYRILLIC,
wxLANGUAGE_UZBEK_LATIN,
wxLANGUAGE_VIETNAMESE,
wxLANGUAGE_VOLAPUK,
wxLANGUAGE_WELSH,
wxLANGUAGE_WOLOF,
wxLANGUAGE_XHOSA,
wxLANGUAGE_YIDDISH,
wxLANGUAGE_YORUBA,
wxLANGUAGE_ZHUANG,
wxLANGUAGE_ZULU,
// for custom, user-defined languages:
wxLANGUAGE_USER_DEFINED
};
// --- --- --- generated code ends here --- --- ---
// ----------------------------------------------------------------------------
// wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
// translation information
// ----------------------------------------------------------------------------
struct WXDLLIMPEXP_BASE wxLanguageInfo
{
int Language; // wxLanguage id
wxString CanonicalName; // Canonical name, e.g. fr_FR
#ifdef __WIN32__
wxUint32 WinLang, // Win32 language identifiers
WinSublang;
#endif // __WIN32__
wxString Description; // human-readable name of the language
};
// ----------------------------------------------------------------------------
// wxLocaleCategory: the category of locale settings
// ----------------------------------------------------------------------------
enum wxLocaleCategory
{
// (any) numbers
wxLOCALE_CAT_NUMBER,
// date/time
wxLOCALE_CAT_DATE,
// monetary value
wxLOCALE_CAT_MONEY,
wxLOCALE_CAT_MAX
};
// ----------------------------------------------------------------------------
// wxLocaleInfo: the items understood by wxLocale::GetInfo()
// ----------------------------------------------------------------------------
enum wxLocaleInfo
{
// the thounsands separator
wxLOCALE_THOUSANDS_SEP,
// the character used as decimal point
wxLOCALE_DECIMAL_POINT
};
// ----------------------------------------------------------------------------
// wxLocale: encapsulates all language dependent settings, including current
// message catalogs, date, time and currency formats (TODO) &c
// ----------------------------------------------------------------------------
enum wxLocaleInitFlags
{
wxLOCALE_LOAD_DEFAULT = 0x0001, // load wxwin.mo?
wxLOCALE_CONV_ENCODING = 0x0002 // convert encoding on the fly?
};
class WXDLLIMPEXP_BASE wxLocale
{
public:
// ctor & dtor
// -----------
// call Init() if you use this ctor
wxLocale();
// the ctor has a side effect of changing current locale
wxLocale(const wxChar *szName, // name (for messages)
const wxChar *szShort = (const wxChar *) NULL, // dir prefix (for msg files)
const wxChar *szLocale = (const wxChar *) NULL, // locale (for setlocale)
bool bLoadDefault = TRUE, // preload wxstd.mo?
bool bConvertEncoding = FALSE) // convert Win<->Unix if neccessary?
{
Init(szName, szShort, szLocale, bLoadDefault, bConvertEncoding);
}
wxLocale(int language, // wxLanguage id or custom language
int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING)
{ Init(language, flags); }
// the same as a function (returns TRUE on success)
bool Init(const wxChar *szName,
const wxChar *szShort = (const wxChar *) NULL,
const wxChar *szLocale = (const wxChar *) NULL,
bool bLoadDefault = TRUE,
bool bConvertEncoding = FALSE);
// same as second ctor (returns TRUE on success)
bool Init(int language = wxLANGUAGE_DEFAULT,
int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
// restores old locale
~wxLocale();
// Try to get user's (or OS's) prefered language setting.
// Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
static int GetSystemLanguage();
// get the encoding used by default for text on this system, returns
// wxFONTENCODING_SYSTEM if it couldn't be determined
static wxFontEncoding GetSystemEncoding();
// get the string describing the system encoding, return empty string if
// couldn't be determined
static wxString GetSystemEncodingName();
// get the values of the given locale-dependent datum: the current locale
// is used, the US default value is returned if everything else fails
static wxString GetInfo(wxLocaleInfo index, wxLocaleCategory cat);
// return TRUE if the locale was set successfully
bool IsOk() const { return m_pszOldLocale != NULL; }
// returns locale name
const wxChar *GetLocale() const { return m_strLocale; }
// return current locale wxLanguage value
int GetLanguage() const { return m_language; }
// return locale name to be passed to setlocale()
wxString GetSysName() const;
// return 'canonical' name, i.e. in the form of xx[_YY], where xx is
// language code according to ISO 639 and YY is country name
// as specified by ISO 3166.
wxString GetCanonicalName() const { return m_strShort; }
// add a prefix to the catalog lookup path: the message catalog files will be
// looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
// (in this order).
//
// This only applies to subsequent invocations of AddCatalog()!
static void AddCatalogLookupPathPrefix(const wxString& prefix);
// add a catalog: it's searched for in standard places (current directory
// first, system one after), but the you may prepend additional directories to
// the search path with AddCatalogLookupPathPrefix().
//
// The loaded catalog will be used for message lookup by GetString().
//
// Returns 'true' if it was successfully loaded
bool AddCatalog(const wxChar *szDomain);
// check if the given catalog is loaded
bool IsLoaded(const wxChar *szDomain) const;
// Retrieve the language info struct for the given language
//
// Returns NULL if no info found, pointer must *not* be deleted by caller
static const wxLanguageInfo *GetLanguageInfo(int lang);
// Returns language name in English or empty string if the language
// is not in database
static wxString GetLanguageName(int lang);
// Find the language for the given locale string which may be either a
// canonical ISO 2 letter language code ("xx"), a language code followed by
// the country code ("xx_XX") or a Windows full language name ("Xxxxx...")
//
// Returns NULL if no info found, pointer must *not* be deleted by caller
static const wxLanguageInfo *FindLanguageInfo(const wxString& locale);
// Add custom language to the list of known languages.
// Notes: 1) wxLanguageInfo contains platform-specific data
// 2) must be called before Init to have effect
static void AddLanguage(const wxLanguageInfo& info);
// retrieve the translation for a string in all loaded domains unless
// the szDomain parameter is specified (and then only this domain is
// searched)
// n - additional parameter for PluralFormsParser
//
// return original string if translation is not available
// (in this case an error message is generated the first time
// a string is not found; use wxLogNull to suppress it)
//
// domains are searched in the last to first order, i.e. catalogs
// added later override those added before.
const wxChar *GetString(const wxChar *szOrigString,
const wxChar *szDomain = (const wxChar *) NULL) const;
// plural form version of the same:
const wxChar *GetString(const wxChar *szOrigString,
const wxChar *szOrigString2,
size_t n,
const wxChar *szDomain = (const wxChar *) NULL) const;
// Returns the current short name for the locale
const wxString& GetName() const { return m_strShort; }
// These two methods are for internal use only. First one creates
// ms_languagesDB if it doesn't already exist, second one destroys
// it.
static void CreateLanguagesDB();
static void DestroyLanguagesDB();
private:
// find catalog by name in a linked list, return NULL if !found
wxMsgCatalog *FindCatalog(const wxChar *szDomain) const;
// copy default table of languages from global static array to
// m_langugagesInfo, called by InitLanguagesDB
static void InitLanguagesDB();
wxString m_strLocale, // this locale name
m_strShort; // short name for the locale
int m_language; // this locale wxLanguage value
const wxChar *m_pszOldLocale; // previous locale from setlocale()
wxLocale *m_pOldLocale; // previous wxLocale
wxMsgCatalog *m_pMsgCat; // pointer to linked list of catalogs
bool m_bConvertEncoding;
static wxLanguageInfoArray *ms_languagesDB;
DECLARE_NO_COPY_CLASS(wxLocale)
};
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
// get the current locale object (note that it may be NULL!)
extern WXDLLIMPEXP_BASE wxLocale* wxGetLocale();
// get the translation of the string in the current locale
inline const wxChar *wxGetTranslation(const wxChar *sz)
{
wxLocale *pLoc = wxGetLocale();
if (pLoc)
return pLoc->GetString(sz);
else
return sz;
}
inline const wxChar *wxGetTranslation(const wxChar *sz1, const wxChar *sz2,
size_t n)
{
wxLocale *pLoc = wxGetLocale();
if (pLoc)
return pLoc->GetString(sz1, sz2, n);
else
return n == 1 ? sz1 : sz2;
}
#else // !wxUSE_INTL
// the macros should still be defined - otherwise compilation would fail
#if !defined(WXINTL_NO_GETTEXT_MACRO)
#if !defined(_)
#define _(s) (_T(s))
#endif
#if !defined(ngettext)
#define ngettext(s1, s2, n) ((n) == 1 ? _T(s1) : _T(s2))
#endif
#endif
#define wxTRANSLATE(str) _T(str)
// Note: use of 'inline' here can cause this symbol not to be found when compiled with gcc
//const wxChar *wxGetTranslation(const wxChar *sz);
#define wxGetTranslation(sz) (sz)
#endif // wxUSE_INTL/!wxUSE_INTL
// define this one just in case it occurs somewhere (instead of preferred
// wxTRANSLATE) too
#if !defined(WXINTL_NO_GETTEXT_MACRO)
#if !defined(gettext_noop)
#define gettext_noop(str) _T(str)
#endif
#if !defined(N_)
#define N_(s) _T(s)
#endif
#endif
#endif // _WX_INTL_H_
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